The air quality in Muar, Johor has deteriorated to dangerous levels due to the haze.
Department of Environment puts the Air Pollutant Index at 383, well above what it calls 'hazardous' level.
And the situation in Singapore isn't any different, with it's air pollutant index peaking at 320 on Wednesday night.
Reporter: Tham Seen Hau
Visual editor: Prasadh Michael
